ES Ch 4 Intro Reading

What percentage of the world's species are found in New Guinea and its surrounding islands?

• 5%

• 10%

• 15%

• 20%

Which bird species is mentioned as an example of biodiversity in the passage?

• Greater bird-of-paradise

• Bald eagle

• Peacock

• Hummingbird

What is the significance of New Guinea in terms of biodiversity?

• It has the third-largest block of tropical rain forest.

• It is the largest island in the world with unique species.

• It is known for having the most bird species in the world.

• It is the only place where peacocks are found.

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What is the main focus of Anna Savage's research with frogs?

• Conserving frog species threatened by chytrid disease

• Studying the diet of frogs

• Exploring frog migration patterns to an from Arizona

• Analyzing frog vocalizations

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What is chytrid disease caused by?

• A fungal infection

• A bacterial infection

• A viral infection

• A parasitic infection

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Why is chytrid disease deadly to amphibians?

• It thickens their skin, reducing their ability to absorb water, air, and salts

• It causes paralysis in amphibians

• It leads to blindness in amphibians

• It affects the amphibians' reproductive system

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What are the three variables that Savage and others focus on to understand a frog's immune response to chytrid?

• genetic makeup of the frog, environment, genetic composition of the disease organism

• Diet of the frog, climate of the frog's ecosystem, presence of predators that eat frogs

• Size of the frog, water availability, temperature

• Color of the frog, altitude, humidity

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What is one of the potential risks of breeding frogs with genes that resist chytrid?

• Destroying adaptations that provide resistance to other diseases

• Increasing the frog population too quickly, affecting the entire ecosystem

• Causing frogs to become more aggressive

• Reducing the frogs' lifespan

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Which animals are in collapse around the world?

• amphibians

• reptiles

• fish

• mammals

• birds

What makes frogs so vulnerable?

• they will taste everything in their environment with their tongue

• they eat indiscriminately, anything that will fit in their mouths

• they can absorb substances through their skin

• most species in their ecosystems try to eat them

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